光谱预处理用于提高模型转移后模型的预测能力

序号

预处理

R2c

R2cv

RMSEC

RMSECV

LVs

1

meancenter

0.96

0.942

2.2462

2.7541

4

2

SNV+meancenter

0.945

0.937

2.6233

2.8595

3

3

SNV+FD+SG3+meancenter

0.961

0.948

2.2144

2.4721

3

4

SNV+FD+SG5+meancenter

0.96

0.949

2.2304

2.5439

3

5

SNV+SD+SG3+meancenter

0.963

0.935

2.1419

2.8909

3

6

SNV+SD+SG5+meancenter

0.959

0.947

2.2506

2.5973

3

7

FD+SG3+meancenter

0.945

0.939

2.6331

2.8443

3

8

FD+SG3+SNV+meancenter

0.96

0.95

2.2368

2.5009

3

9

FD+SG5+meancenter

0.948

0.94

2.5426

2.7832

3

10

FD+SG5+SNV+meancenter

0.96

0.954

2.2385

2.5496

3

11

SD+SG3+meancenter

0.955

0.937

2.3817

2.8559

3

12

SD+SG3+SNV+meancenter

0.959

0.935

2.2582

2.8815

3

13

SD+SG5+meancenter

0.952

0.942

2.4501

2.7517

3

14

SD+SG5+SNV+meancenter

0.96

0.947

2.225

2.5549

3

(a)

(b)

图 (a)预处理后的最优模型图；(b)第一主成分荷载图（预处理后）与组分纯光谱图